Title:
Method of making rock bit cutter
Document Type and Number:
United States Patent 3003370

Inventors:
Coulter Jr., John B.
Publication Date:
10/10/1961
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Referenced by:
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Assignee:
CHICAGO PNEUMATIC TOOL CO
Primary Class:
148/211
Other Classes:
175/374, 76/DIG.002, 76/108.100, 76/2, 148/319
International Classes:
B21K5/06; B23P15/28; B21K5/00
US Patent References:
2266565Heat treatment of steel
2407642Method of treating cutter teeth
2660405Cutting tool and method of making


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